(19)

(11)

EP 2 240 265 A1

(12)

(43) Date of publication: 20.10.2010 Bulletin 2010/42 (21) Application number: 09757977.5 (22) Date of filing: 03.06.2009

(51) International Patent Classification (IPC):  B01J 3/06(2006.01) B22F 7/06(2006.01) (86) International application number: PCT/IB2009/052344 (87) International publication number: WO 2009/147629 (10.12.2009 Gazette 2009/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 04.06.2008 GB 0810184 (71) Applicant: Element Six (Production) (Pty) Ltd. Nuffield 1559 Springs (ZA)	(72) Inventor: SITHEBE, Humphrey, Samkelo, Lungisani 1559 Springs (ZA) (74) Representative: Curran, Sally Ann  J.A. Kemp & Co. 14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)